Demonstration of the Inscribed Angle

Author:
Melzoo
Topic:
Angles
Explore the connection between inscribed angles and the angle at the point of intersection of a tangent and a chord. Drag point C to see that an inscribed angle is always half of the interecepted arc. You can change the inscribed angle measure with the slider. Drag point C so that is on top of point B. Click the check box that appears.